34 SELECTION OF PLANTS. 



103. ASTER ACRIS, or Acrid Star Wort. 



This is a hardy Perennial, which blows in September, 

 with a pale purple blossom, and is propagated either by 

 seed or by parting the roots. 



It is a native of the South of Europe, and first brought 

 to England in 1774. 



It belongs to the 19th Class, under the head " Synge- 

 nesia Superflua." 



104. MAHERNIA INCISA, or Cut-leaved Mahernia. 



This is a hardy greenhouse plant, and is propagated by 

 seed or cuttings. It requires a light loamy soil, and blows 

 in July. 



It is a native of the Cape, and first brought to England 

 in 1792. 



It belongs to the 5th Class, under the head '* Pentan- 

 dria Pentagynia." 



1 05. OENOTHERA PUMILA, or Dwarf Oenothera. 



This is a hardy Perennial, raised by seed, or increased 

 by dividing the roots in the spring. It blows in May and 

 June. 



It is a native of Ndrth America, and first brought to 

 England in ] 757. 



It belongs to the 8th Class, under the head " Octandria 

 Monogynia." 



106. CONVOLVULUS ALTH^OIDES, or Silky-leaved 

 Bind Weed. 



This is a hardy greenhouse plant, though if properly 

 sheltered through the winter it may be planted in the 



